InChI=1S/C36H26O16/c37-15-4-1-13(2-5-15)24-12-23(43)29-21(41)10-20(40)27(33(29)51-24)17-7-14(3-6-18(17)38)25-11-22(42)28-19(39)8-16(9-26(28)50-25)49-36-32(46)30(44)31(45)34(52-36)35(47)48/h1-12,30-32,34,36-41,44-46H,(H,47,48)